6 core processor upgrade series intel xeon six core socket socket 1356 number of processing cores 6 number of threads 12 clock frequency 19 ghz processor code name sandy bridge en tdp 95 watt stepping revision c2 stepping l3 cache 15 kb manufacturing process 32 nm suitable for fujitsu siemens system package fclga1356 features mmx sse sse2 sse3 ssse3 sse41 sse42 intel em64t intel ht intel turbo boost advanced vector extensions avx execute d